The new model ArcEGMO-URBAN aims at deterministic and spatiotemporal modelling of water, nitrogen and phosphorus fluxes from all urbanised areas of a river basin considering all potential sources. Pollution loads are calculated for discrete urban patches and balanced on the level of hydrological sub-basins. Modelling results can be defined by the user of any level of spatial and/or temporal aggregation, e.g. matter balances for river basins or river sections and years or months, respectively. To process spatial data, a Geographic Information System is linked to the model. Information on urban land use and general characteristics of river basins is based on digital coverages, partly generated from remote-sensing data. Moreover, statistical data, e.g. on population, sewer systems, wastewater treatment plants etc. are included. Stormwater runoff from impervious surfaces is calculated as one input to the sewer network. Wastewater is considered with its main sewer system, pumping stations and treatment plants. Finally, the discharge is balanced for discrete river sections. Modelling results attest ArcEGMO-URBAN its ability to realistically quantify matter fluxes and major pollution sources as well as their seasonal variation. This makes the model an applicable tool for the analysis of scenarios with e.g. varying population distribution or climatic and technological conditions.
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Research Article|
September 01 2005
ArcEGMO-URBAN — Hydrological model for point sources in river basins
M. Biegel;
*Leibniz Institute of Ecological and Regional Development, Weberplatz 1, 01217 Dresden, Germany, (E-mail: m.biegel@ioer.de; j.schanze@ioer.de)
E-mail: m.biegel@ioer.de
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J. Schanze;
J. Schanze
*Leibniz Institute of Ecological and Regional Development, Weberplatz 1, 01217 Dresden, Germany, (E-mail: m.biegel@ioer.de; j.schanze@ioer.de)
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P. Krebs
P. Krebs
**Inst. for Urban Water Management, Dresden University of Technology, 01062 Dresden, Germany, (E-mail: pkrebs@rcs.urz.tu-dresden.de)
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Water Sci Technol (2005) 52 (5): 249–256.
Citation
M. Biegel, J. Schanze, P. Krebs; ArcEGMO-URBAN — Hydrological model for point sources in river basins. Water Sci Technol 1 September 2005; 52 (5): 249–256. doi: https://doi.org/10.2166/wst.2005.0140
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